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ELEMENTS OF PLANE TRIGONOMETRY

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Author's Preface:

This work has been prepared for the use of beginners in the study of trigonometry. Assuming that a high degree of proficiency cannot be expected from such students, the author has limited himself to the selection of simple proofs of the formulas, not striving after original demonstrations. Geometrical proofs have been added in many cases, experience having shown that the student is assisted by them to a clearer understanding of the subject.

The student is expected, in techni...